Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Statement Of Income And Comprehensive Income [Abstract]
NET SALES	$ 24,147,161	$ 22,918,808	$ 23,127,532
COST OF GOODS SOLD	19,929,618	18,865,536	19,114,293
Gross profit	4,217,543	4,053,272	4,013,239
OPERATING EXPENSES:
Distribution, selling and administrative costs	3,644,290	3,585,986	3,650,704
Restructuring (benefit) charges and tangible asset impairments	(571)	53,465	172,707
Total operating expenses	3,643,719	3,639,451	3,823,411
OPERATING INCOME	573,824	413,821	189,828
ACQUISITION TERMINATION FEES—Net			287,500
INTEREST EXPENSE—Net	169,582	229,080	285,175
LOSS ON EXTINGUISHMENT OF DEBT		53,632
Income before income taxes	404,242	131,109	192,153
INCOME TAX (BENEFIT) PROVISION	(40,052)	(78,685)	24,635
NET INCOME	444,294	209,794	167,518
OTHER COMPREHENSIVE INCOME (LOSS)-Net of tax:
Changes in retirement benefit obligations, net	16,171	(44,985)	83,663
Unrecognized gain on interest rate swaps, net	7,437
COMPREHENSIVE INCOME	$ 467,902	$ 164,809	$ 251,181
NET INCOME PER SHARE
Basic	$ 2.00	$ 1.05	$ 0.99
Diluted	$ 1.97	$ 1.03	$ 0.98
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic	222,383,038	200,129,868	169,560,616
Diluted	225,663,785	204,024,726	171,060,720